January weather forecast
Roleystone, Australia

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Weather in January

January in Roleystone, Australia, is a hot summer month, with an average temperature fluctuating between 31.2°C (88.2°F) and 18.3°C (64.9°F).

Temperature

The warmest months are January and February, with an average high-temperature of 31.2°C (88.2°F).

Heat index

For most parts of January, the heat index is calculated to be a tropical 33°C (91.4°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The least humid month in Roleystone is January, with an average relative humidity of 50%.

Rainfall

In Roleystone, in January, it is raining for 4.9 days, with typically 11mm (0.43") of accumulated precipitation. In Roleystone, Australia, during the entire year, the rain falls for 110 days and collects up to 355mm (13.98") of precipitation.

Daylight

In Roleystone, the average length of the day in January is 13h and 59min.
On the first day of January, sunrise is at 5:12 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:19 pm AWST.

Sunshine

January and December, with an average of 11.5h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are January through March and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In January, an average UV index of 6 transforms into the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What part of the year is the hottest in Roleystone?

The yearly peak temperatures in Roleystone, Australia, occur in January and February, averaging a high-temperature of 31.2°C (88.2°F).

How hot does it get in Roleystone in January?

In January, in Roleystone, the average high-temperature is 31.2°C (88.2°F), and the average low-temperature is 18.3°C (64.9°F). In January, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 33°C (91.4°F).

What is the least humid month in Roleystone?

January is the least humid month in Roleystone, Australia, with an average relative humidity of 50%.

What is the average humidity in January in Roleystone?

In Roleystone, the average relative humidity in January is 50%.

How much does it rain in Roleystone in January?

In Roleystone, Australia, during January, the rain falls for 4.9 days and regularly aggregates up to 11mm (0.43") of precipitation.

How many hours of daylight does Roleystone have in January?

In January, the average day length in Roleystone, Australia, is 13h and 59min.

When are sunrise and sunset in January in Roleystone?

In January, on the first day of the month, sunrise is at 5:12 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:19 pm AWST.

What is the month with the most sunshine in Roleystone?

The months with the most sunshine are January and December, with an average of 11.5h of sunshine.

How many hours of sunshine does Roleystone have in January?

The average sunshine duration in January is 11.5h.

What is the month with the highest UV index in Roleystone?

January through March and December, with an average maximum UV index of 6, are months with the highest UV index in Roleystone.

What is the UV index reading in January in Roleystone?

In Roleystone, Australia, the average daily maximum UV index in January is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in January
Roleystone, Australia

Average temperature in January - Roleystone, Australia
  • Average high temperature in January: 31.2°C

The warmest months (with the highest average high temperature) are January and February (31.2°C).
The month with the lowest average high temperature is July (16.7°C).

  • Average low temperature in January: 18.3°C

The month with the highest average low temperature is February (18.8°C).
The coldest months (with the lowest average low temperature) are July, August and September (9.7°C).

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Average pressure in January
Roleystone, Australia

Average pressure in January - Roleystone, Australia
  • Average pressure in January: 1011.4mbar

The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1011.4mbar).

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Average wind speed in January
Roleystone, Australia

Average wind speed in January - Roleystone, Australia
  • Average wind speed in January: 14km/h

The windiest month (with the highest average wind speed) is February (14.1km/h).
The calmest month (with the lowest average wind speed) is May (11.4km/h).

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Average humidity in January
Roleystone, Australia

Average humidity in January - Roleystone, Australia
  • Average humidity in January: 50%

The months with the highest relative humidity are July and August (75%).
The month with the lowest relative humidity is January (50%).

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Average rainfall in January
Roleystone, Australia

Average rainfall in January - Roleystone, Australia
  • Average rainfall in January: 11mm

The wettest month (with the highest rainfall) is June (66mm).
The driest months (with the least rainfall) are March and December (9mm).

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Average rainfall days in January
Roleystone, Australia

Average rainfall days in January - Roleystone, Australia
  • Average rainfall days in January: 4.9 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.3 days).

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Average daylight in January /
Average sunshine in January
Roleystone, Australia

Average daylight in January / Average sunshine in January - Roleystone, Australia
  • Average daylight in January: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

  • Average sunshine in January: 11h and 3min

The months with the most sunshine are January and December (Average sunshine: 11h and 30min).
The month with the least sunshine is August (Average sunshine: 5h and 30min).

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Average sunshine days in January
Roleystone, Australia

Average sunshine days in January - Roleystone, Australia
  • Average sunshine days in January: 24.4 days

The month with the most sunshine days is December (24.7 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in January
Roleystone, Australia

Average UV index in January - Roleystone, Australia
  • Average UV index in January: 6

The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).

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Average cloud cover in January
Roleystone, Australia

Average cloud cover in January - Roleystone, Australia
  • Average cloud cover in January: 13

The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 13).

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Average visibility in January
Roleystone, Australia

Average visibility in January - Roleystone, Australia
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).

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Roleystone, Australia

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